Oistins to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Oistins. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Oistins 09:21 9:21 AM Rio de Janeiro 10:21 10:21 AM You –:–
09:21 9:21 AM
Atlantic Standard Time · UTC-4
☀️ 05:53 · 🌙 17:32
10:21 10:21 AM
Brasilia Standard Time · UTC-3
☀️ 05:07 · 🌙 18:07
·
+1 h
Rio de Janeiro is 1 h ahead of Oistins.
When you, Oistins and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇧 Oistins
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇧🇷 Rio de Janeiro
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇧 Oistins | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 09:21 | 10:21 |
| Local date | Tuesday, November 3, 2026 | Tuesday, November 3, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Oistins | — | +1 h |
| IANA zone | America/Barbados | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:53 | 05:07 |
| Sunset | 17:32 | 18:07 |
| Daylight | 11 h 38 min | 13 h |
| People on this clock | 2,285 | 6,211,223 |
Compare Oistins with another city
More comparisons with Oistins: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Oistins and Rio de Janeiro: common questions
How far ahead of Oistins is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Oistins: UTC−3 against UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in Oistins?
When it is 9:00 AM in Oistins, it is 10:00 AM in Rio de Janeiro.
If it is 6:00 PM in Oistins, what time is it in Rio de Janeiro?
At 6:00 PM in Oistins, clocks in Rio de Janeiro show 7:00 PM.
Is there a time when both Oistins and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Oistins (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Oistins is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Oistins, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Oistins.
Does the time gap between Oistins and Rio de Janeiro change during the year?
No, the clocks change neither in Oistins nor in Rio de Janeiro, so the gap is 1 hour all year round.
